The Intergovernmental Panel on Climate Change (IPCC; Geneva) says, in a report published today, the effects of climate change are already occurring on all continents and across the oceans. The world, in many cases, is ill-prepared for risks from a changing climate, according to IPCC. The report, “Climate Change 2014: Impacts, Adaptation, and Vulnerability,” from working group II of IPCC, details the effect of climate change to date, future risks from a changing climate, and the opportunities for effective action to reduce risks. The authors also...